External Version bump for ipfire new version string "2.25-core151"

roles/netbootxyz/defaults/main.yml

@@ -229,8 +229,8 @@ releases:
     mirror: https://downloads.ipfire.org
     name: IPFire
     versions:
-    - code_name: 2.25-core150
-      name: 2.25 Core150
+    - code_name: 2.25-core151
+      name: 2.25 Core151
   k3os:
     enabled: true
     menu: linux